Dabrafenib

Anti-cancer medication From Wikipedia, the free encyclopedia

Dabrafenib

Dabrafenib, sold under the brand name Tafinlar among others, is an anti-cancer medication used for the treatment of cancers associated with a mutated version of the gene BRAF.[2] Dabrafenib acts as an inhibitor of the associated enzyme B-Raf, which plays a role in the regulation of cell growth.

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Dabrafenib
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Clinical data
Trade namesTafinlar
Other namesGSK-2118436
AHFS/Drugs.comMonograph
MedlinePlusa613038
License data
Routes of
administration
By mouth
ATC code
Legal status
Legal status
Identifiers
  • N-{3-[5-(2-aminopyrimidin-4-yl)-2-tert-butyl-1,3-thiazol-4-yl]-2-fluorophenyl}-2,6-difluorobenzenesulfonamide
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
PDB ligand
CompTox Dashboard (EPA)
ECHA InfoCard100.215.965
Chemical and physical data
FormulaC23H20F3N5O2S2
Molar mass519.56 g·mol−1
3D model (JSmol)
  • CC(C)(C)C1=NC(=C(S1)C2=NC(=NC=C2)N)C3=C(C(=CC=C3)NS(=O)(=O)C4=C(C=CC=C4F)F)F
  • InChI=1S/C23H20F3N5O2S2/c1-23(2,3)21-30-18(19(34-21)16-10-11-28-22(27)29-16)12-6-4-9-15(17(12)26)31-35(32,33)20-13(24)7-5-8-14(20)25/h4-11,31H,1-3H3,(H2,27,28,29)
  • Key:BFSMGDJOXZAERB-UHFFFAOYSA-N
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The most common side effects include papilloma (warts), headache, nausea, vomiting, hyperkeratosis (thickening and toughening of the skin), hair loss, rash, joint pain, fever and tiredness.[3] When taken in combination with trametinib, the most common side effects include fever, tiredness, nausea, chills, headache, diarrhea, vomiting, joint pain and rash.[3]

Dabrafenib was approved for medical use in the United States in May 2013,[7] and in the European Union in August 2013.[3]

Medical uses

Dabrafenib is indicated as a single agent for the treatment of people with unresectable or metastatic melanoma with BRAF V600E mutation.[2] Dabrafenib is indicated, in combination with trametinib, for BRAF V600E-positive unresectable or metastatic melanoma, metastatic non-small cell lung cancer, metastatic anaplastic thyroid cancer, and unresectable or metastatic solid tumors.[2][3][8]

History

Clinical trial data demonstrated that resistance to dabrafenib and other BRAF inhibitors occurs within six to seven months.[9] To overcome this resistance, the BRAF inhibitor dabrafenib was combined with the MEK inhibitor trametinib.[9] In January 2014, the FDA approved this combination of dabrafenib and trametinib for BRAF V600E/K-mutant metastatic melanoma.[10][11] In May 2018, the FDA approved the combination dabrafenib/trametinib as an adjuvant treatment for BRAF V600E-mutated, stage III melanoma after surgical resection based on the results of the COMBI-AD phase 3 study,[12] making it the first oral chemotherapy regimen that prevents cancer relapse for node positive, BRAF-mutated melanoma.[13]

Society and culture

United States

The US Food and Drug Administration (FDA) approved dabrafenib as a single agent treatment for people with BRAF V600E mutation-positive advanced melanoma in May 2013.[7][14]

European Union

Dabrafenib was approved for use in the European Union in August 2013.[3]

In April 2017, the European Union approved the combination of dabrafenib with trametinib for BRAF V600-positive advanced or metastatic non small-cell lung cancer (NSCLC).[15][16][3]

In September 2023, the Committee for Medicinal Products for Human Use of the European Medicines Agency adopted a positive opinion, recommending the granting of a marketing authorization for the medicinal product Finlee, intended for the treatment of low- and high-grade glioma (LGG and HGG).[17] The applicant for this medicinal product is Novartis Europharm Limited.[17] Finlee was approved for medical use in the European Union in November 2023.[4]

Brand names

Dabrafenib is the international nonproprietary name.[18]

Dabrafenib is sold under the brand names Tafinlar[3] and Finlee.[4]

Research

Dabrafenib has clinical activity with a manageable safety profile in clinical trials of phase I and II in patients with BRAF (V600)-mutated metastatic melanoma.[19][20]

References

Further reading

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